stretching quadric拉伸二次曲面
nonsingular quadric[数] 非奇异二次曲面;非奇二次曲面;满秩二次曲面
quadric coordinates二次曲面坐标
ruled quadric[数] 直纹二次曲面
reciprocal quadric[数] 反二次型
quadric expression[数] 二次式
concentric quadric同心二次曲面
quadric regression二次回归
regular quadric规则二次曲面
ADJ(形容词) having or characterized by an equation of the second degree, usually in two or three variables 二次的
N(名词) a quadric curve, surface, or function 二次曲线 ; 二次曲面; 二次函数